diff --git a/arch/arc/include/asm/fpu.h b/arch/arc/include/asm/fpu.h new file mode 100644 index 000000000000..de467423d99b --- /dev/null +++ b/arch/arc/include/asm/fpu.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2020 Synopsys, Inc. (www.synopsys.com) + * + */ + +#ifndef _ASM_ARC_FPU_H +#define _ASM_ARC_FPU_H + +#ifdef CONFIG_ARC_FPU_SAVE_RESTORE + +#include + +/* These DPFP regs need to be saved/restored across ctx-sw */ +struct arc_fpu { + struct { + unsigned int l, h; + } aux_dpfp[2]; +}; + +extern void fpu_save_restore(struct task_struct *p, struct task_struct *n); + +#else + +#define fpu_save_restore(p, n) + +#endif /* CONFIG_ARC_FPU_SAVE_RESTORE */ + +#endif /* _ASM_ARC_FPU_H */ diff --git a/arch/arc/include/asm/processor.h b/arch/arc/include/asm/processor.h index 706edeaa5583..ec532d1e0725 100644 --- a/arch/arc/include/asm/processor.h +++ b/arch/arc/include/asm/processor.h @@ -14,15 +14,7 @@ #ifndef __ASSEMBLY__ #include - -#ifdef CONFIG_ARC_FPU_SAVE_RESTORE -/* These DPFP regs need to be saved/restored across ctx-sw */ -struct arc_fpu { - struct { - unsigned int l, h; - } aux_dpfp[2]; -}; -#endif +#include #ifdef CONFIG_ARC_PLAT_EZNPS struct eznps_dp { diff --git a/arch/arc/include/asm/switch_to.h b/arch/arc/include/asm/switch_to.h index 77f123385e96..aadf65b2b56c 100644 --- a/arch/arc/include/asm/switch_to.h +++ b/arch/arc/include/asm/switch_to.h @@ -9,19 +9,7 @@ #ifndef __ASSEMBLY__ #include - -#ifdef CONFIG_ARC_FPU_SAVE_RESTORE - -extern void fpu_save_restore(struct task_struct *p, struct task_struct *n); -#define ARC_FPU_PREV(p, n) fpu_save_restore(p, n) -#define ARC_FPU_NEXT(t) - -#else - -#define ARC_FPU_PREV(p, n) -#define ARC_FPU_NEXT(n) - -#endif /* !CONFIG_ARC_FPU_SAVE_RESTORE */ +#include #ifdef CONFIG_ARC_PLAT_EZNPS extern void dp_save_restore(struct task_struct *p, struct task_struct *n); @@ -36,9 +24,8 @@ struct task_struct *__switch_to(struct task_struct *p, struct task_struct *n); #define switch_to(prev, next, last) \ do { \ ARC_EZNPS_DP_PREV(prev, next); \ - ARC_FPU_PREV(prev, next); \ + fpu_save_restore(prev, next); \ last = __switch_to(prev, next);\ - ARC_FPU_NEXT(next); \ mb(); \ } while (0) diff --git a/arch/arc/kernel/fpu.c b/arch/arc/kernel/fpu.c index 07e22b563fbb..7a3b56ce56bb 100644 --- a/arch/arc/kernel/fpu.c +++ b/arch/arc/kernel/fpu.c @@ -6,7 +6,7 @@ */ #include -#include +#include /* * To save/restore FPU regs, simplest scheme would use LR/SR insns.